\begin{tabular}{l*{5}{c}}
\toprule
            &\multicolumn{1}{c}{\shortstack{Cand. wins,\\t+1}}&\multicolumn{1}{c}{\shortstack{Cand. runs,\\t+1}}&\multicolumn{1}{c}{\shortstack{Cand. qualif.,\\t+1}}&\multicolumn{1}{c}{\shortstack{Orient nb. other\\cand., t+1}}&\multicolumn{1}{c}{\shortstack{Orient nb. all\\cand., t+1}}\\\cmidrule(lr){2-2}\cmidrule(lr){3-3}\cmidrule(lr){4-4}\cmidrule(lr){5-5}\cmidrule(lr){6-6}
            &\multicolumn{1}{c}{(1)}&\multicolumn{1}{c}{(2)}&\multicolumn{1}{c}{(3)}&\multicolumn{1}{c}{(4)}&\multicolumn{1}{c}{(5)}\\
\midrule
RD\_Estimate &       0.000&       0.039&       0.025&       0.039&       0.083\\
            &     (0.012)&     (0.032)&     (0.021)&     (0.076)&     (0.076)\\
\midrule
Robust p-value&       0.779&       0.255&       0.615&       0.555&       0.313\\
Observations&        3410&        3410&        3410&        3355&        3355\\
Polynomial order&           1&           1&           1&           1&           1\\
Bandwidth   &       0.025&       0.025&       0.025&       0.025&       0.025\\
Mean, left of threshold&       0.018&       0.246&       0.072&       2.213&       2.448\\
\bottomrule
\end{tabular}
